Home / 1,050,780.74-1,575,607.34-330,988.01

Finding the Fourth Proportional to 1,050,780.74, 1,575,607.34 and 330,988.01

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Solution

The fourth proportional to 1,050,780.74, 1,575,607.34 and 330,988.01 is: 496,304.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,780.74 : 1,575,607.34 = 330,988.01 : x
  2. Step 2: Convert to fraction form
    1,050,780.74/1,575,607.34 = 330,988.01/x
  3. Step 3: Cross multiply
    1,050,780.74x = 1,575,607.34 × 330,988.01
  4. Step 4: Simplify right side
    1,050,780.74x = 521,507,130,957.43
  5. Step 5: Solve for x
    x = 521,507,130,957.43/1,050,780.74
  6. Step 6: Final answer
    x = 496,304.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.